Home / 91,072.37-125,675.25-50,243.60

Finding the Fourth Proportional to 91,072.37, 125,675.25 and 50,243.60

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Solution

The fourth proportional to 91,072.37, 125,675.25 and 50,243.60 is: 69,333.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,072.37 : 125,675.25 = 50,243.60 : x
  2. Step 2: Convert to fraction form
    91,072.37/125,675.25 = 50,243.60/x
  3. Step 3: Cross multiply
    91,072.37x = 125,675.25 × 50,243.60
  4. Step 4: Simplify right side
    91,072.37x = 6,314,376,362.52
  5. Step 5: Solve for x
    x = 6,314,376,362.52/91,072.37
  6. Step 6: Final answer
    x = 69,333.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.